The Universal Front Rest by Birchwood allows you to quickly connect to the front of your rest without having to lance or tie, just use the straps to thread through and attach. It is shaped to fit different front-end sizes to maximize the usage of one shooting rest. The rest is constructed of leather and polyester with hook & loop straps which creates a solid a secure rest. The base dimensions are 5" L x 2" W x 2" H at humps, and 1" high at saddle.